Abstract
Temporomandibular joint (TMJ) ankylosis is defined as osseous or fibrous fusion of the condyle of the mandible and the mandibular fossa of temporal bone (Nitzan et. al. 1998).It is a debilitating disease that renders the afflicted person unable to use their oral cavity well. Clinical presentation depends on the age at which ankylosis occurs and whether ankylosis is unilateral or bilateral. Surgery and postoperative physiotherapy are regarded as the mainstay treatment for TMJ ankylosis. The study reviews surgical outcomes of 13 children treated for temporomandibular joint (TMJ) ankylosis in the maxillofacial and oral surgery unit at Red Cross Children's Hospital. Nine patients were treated by gap arthroplasty, while four patients had previous reconstruction with costochondral graft. One patient treated by gap arthroplasty reankylosed. The study showed a positive correlation between intraoperative MIO and the outcome, and between age and the outcome. Mouth opening was improved by 15mm, with postoperative change of -4mm.
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